---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-149021"
form_type: "8-K"
ticker: "QNCX"
cik: "0001662774"
company_name: "Quince Therapeutics, Inc."
filed_at: "2026-04-09T23:59:59+00:00"
generated_at: "2026-05-15T06:47:49.091861+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Quince Therapeutics announces 1-for-10 reverse stock split effective April 10, 2026

## Summary
- Approximately 16.3M shares outstanding post-split; ratio 1-for-10.
- Certificate of Amendment filed with Delaware on April 9; effective 11:59 PM ET April 10.
- Split-adjusted trading on Nasdaq begins at market open April 13; new CUSIP 22053A206.
- Stock options and warrants proportionally adjusted; no change to rights or preferences.
- Equiniti Trust Company appointed as exchange agent; fractional shares paid in cash.

## SEC filing metadata
- accession: 0001193125-26-149021
- form_type: 8-K
- ticker: QNCX
- cik: 0001662774
- company_name: Quince Therapeutics, Inc.
- filed_at: 2026-04-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1662774/000119312526149021/0001193125-26-149021-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1662774/000119312526149021/d115661d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-149021
- JSON: https://secwatch.observer/filing/0001193125-26-149021.json
- Plain text: https://secwatch.observer/filing/0001193125-26-149021.txt

## Key facts
- Equity Issuances
  Quince Therapeutics, Inc. issued common stock.
  - Security: common stock
  source text: every ten (10) shares of the Company’s issued and outstanding common stock will be automatically combined and converted into one (1) issued and outstanding share of common stock
  evidence_url: https://www.sec.gov/Archives/edgar/data/1662774/000119312526149021/0001193125-26-149021-index.htm
- Governance Changes
  Quince Therapeutics, Inc.: Filed Certificate of Amendment to effect a 1-for-10 reverse stock split of common stock, effective April 10, 2026 (effective 2026-04-10).
  - Change: charter amendment
  - Effective: 2026-04-10
  source text: on April 9, 2026, the Company filed the Certificate of Amendment with the Secretary of State of the State of Delaware, which will be effective at 11:59 pm Eastern Time on April 10, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1662774/000119312526149021/0001193125-26-149021-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.